head to head
vs
Fallout: New VegasvsKingdoms of Amalur: Reckoning
Fallout: New Vegas leans Optimization (Pure Optimization); Kingdoms of Amalur: Reckoning leans Optimization (Practiced Mastery).
Fallout: New VegasKingdoms of Amalur: Reckoning
Axis by axis
Execution4 vs 5
Kingdoms of Amalur: Reckoning leans harder on execution: Dodge-and-combo combat, forgiving timing
Reads1 vs 1
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization8 vs 7
Fallout: New Vegas leans harder on optimization: Faction routing, perks, builds heavily rewarded
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.